SigmaHQ/rules/windows/process_creation/sysmon_proxy_execution_wuauclt.yml
2021-05-27 10:29:21 +02:00

33 lines
988 B
YAML

title: Proxy Execution via Wuauclt
id: af77cf95-c469-471c-b6a0-946c685c4798
description: Detects the use of the Windows Update Client binary (wuauclt.exe) to proxy execute code.
status: experimental
date: 2020/10/12
modified: 2021/05/10
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), Florian Roth
tags:
- attack.defense_evasion
- attack.t1218
references:
- https://dtm.uk/wuauclt/
logsource:
category: process_creation
product: windows
detection:
selection_one:
- Image|contains: wuauclt
- OriginalFileName: wuauclt.exe
selection_two:
CommandLine|contains|all:
- 'UpdateDeploymentProvider'
- '.dll'
- 'RunHandlerComServer'
filter:
CommandLine|contains:
- ' /UpdateDeploymentProvider UpdateDeploymentProvider.dll '
- ' wuaueng.dll '
condition: selection_one and selection_two and not filter
falsepositives:
- Unknown
level: critical